UNT Libraries Government Documents Department - 12 Matching Results

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Artificial Teeth.

Description: Patent for the lower set of artificial teeth, "and aims to provide retainers and combine them with the plate, so as to hold the denture in place against accidental displacement during the process of articulation, prehension, mastication, and deglutition" (lines 10-15). This invention "provides retainers which fill a vacuum in the mouth never heretofore utilized in the construction of artificial teeth and which form a rest for the muscles in their contraction incident to the movements of the jaw… more
Date: September 17, 1895
Creator: Johnston, George A. & Carroll, Houston M.
Item Type: Refine your search to only Patent

Autographic Register.

Description: Patent for an autographic register that provides "improved means for guiding, stamping, cutting, and filling a record-bill and discharging original and duplicate bills; [provides] improved means for guiding the strips of paper and holding the carbon or duplicating paper in operative position; furthermore, [provides] improved means for operating the several parts of the mechanism to insure accuracy and facilitate the subsequent permanent filing of the record-bills" (lines 9-19).
Date: September 17, 1895
Creator: Norcross, George A.
Item Type: Refine your search to only Patent

Hoeing-Machine

Description: Patent for improvements to hoeing machines "as will cause the hoes to cultivate around the particular plant pointed out without it being necessary for the indicator to remain at rest while each plant is being hoed; second, to provide a pair of oscillating disks that cultivate before and behind the plant as they oscillate across the row" (lines 15-21).
Date: June 17, 1890
Creator: Hurd, Judson B.
Item Type: Refine your search to only Patent

Ore Concentrator

Description: Patent for a "machine for separating ores of precious metals, and particularly to that class of machines known as 'dry concentrators or separators,' used for separating fold ore by means of an air-blast over dry sand, gravel, quartz, etc." (lines 10-15). Illustrations and instructions are included.
Date: August 17, 1897
Creator: Waer, Luis M.
Item Type: Refine your search to only Patent

Thill-Coupling.

Description: Patent for improvements in thill-couplings by using a combination of forward extension arms, having each near its forward end, circular shoulders, adapted to engage the ends of the shaft-iron; the spring-catch for holding the lever arm in locking position and, for retracting arm when the catch is released. Illustration is included.
Date: March 17, 1891
Creator: Bryan, William L.
Item Type: Refine your search to only Patent
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